// -----------------------------------------------------------------------------
// This source file is part of Matrix Platform
// 	(Universal .NET Software Development Platform)
// For the latest info, see http://www.matrixplatform.com
// 
// Copyright (c) 2009-2010, Ingenious Ltd
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
// -----------------------------------------------------------------------------
using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing.Imaging;
using System.Drawing;

namespace Matrix.Common.FrontEnd
{
    public static class GraphicsHelper
    {

        /// <summary>
        /// Static constructor.
        /// </summary>
        static GraphicsHelper()
        {
        }

        /// <summary>
        /// Will draw the image, replacing oldColor with the foreColor.
        /// And also replacing the color at [0,0] to be the default transparent color.
        /// Usefull for operations with system BMP images.
        /// </summary>
        static public void DrawImageColorMapped(Graphics g, Bitmap image, Rectangle rectangle, Color oldColor, Color foreColor)
        {
            ColorMap[] colorMap = new ColorMap[2];
            colorMap[0] = new ColorMap();
            colorMap[0].OldColor = oldColor;
            colorMap[0].NewColor = foreColor;
            
            colorMap[1] = new ColorMap();
            colorMap[1].OldColor = image.GetPixel(0, 0);
            colorMap[1].NewColor = Color.Transparent;

            using (ImageAttributes imageAttributes = new ImageAttributes())
            {
                imageAttributes.SetRemapTable(colorMap);

                g.DrawImage(
                    image,
                    //new Rectangle(0, 0, image.Width, image.Height),
                    rectangle,
                    0, 0,
                    image.Width,
                    image.Height,
                    GraphicsUnit.Pixel,
                    imageAttributes);
            }
        
        }

    }
}
